html {
  overflow: hidden;
}
body, dl, dt, dd, ul, ol, li, pre, form, fieldset, input, p, blockquote, th, td {
  font-weight:400;
  margin:0;
  padding:0;
}
html, body {
  width: 100%;
  height: 100%;
  font-size: 100px;
}
h1, h2, h3, h4, h4, h5 {
  margin:0;
  padding:0;
}
* {
  box-sizing: border-box;
}
body {
  background-color:#fff;
  color:#fff;
  font-family: Helvetica,Arial,sans-serif;
  font-size: 14px;
  text-align: left;
}
select {
  font-size:12px;
}
table {
  border-collapse:collapse;
  border-spacing:0;
}
th,td {
  vertical-align:middle;
}
a {
  outline:none;
  text-decoration:none;
  -webkit-backface-visibility:hidden;
}
a:focus {
  outline:none;
}
fieldset, img {
  border:0 none;
}
fieldset {
  margin:0;
  padding:0;
}
fieldset p {
  margin:0;
  padding:0 0 0 8px;
}
legend {
  display:none;
}
address, caption, em, strong, th, i {
  font-style:normal;
  font-weight:400;
}
ol, ul {
  list-style: none;
}

/*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/
::-webkit-scrollbar
{
  width: 6px;
  height: 6px;
  background-color: transparent;
}

/*定义滚动条轨道 内阴影+圆角*/
::-webkit-scrollbar-track
{
  -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
  border-radius: 10px;
  background-color: transparent;
}

/*定义滑块 内阴影+圆角*/
::-webkit-scrollbar-thumb
{
  border-radius: 10px;
  -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);
  background-color: rgba(62,192,239,0.4);
}
